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Broan Central air conditioner leaking at furnace or air handler

When a Broan central air conditioner is leaking water at the furnace or air handler, the evaporator coil may not be tilted toward the drain outlet, which is the most common cause. An incorrectly positioned coil can send condensation away from the drain pan and cause an air conditioner leaking water or water under the furnace from AC problem. Next, inspect Broan drain pan (also called a drip tray). If the pan is cracked and leaking without overflowing, it will need to be replaced. A clogged condensate drain tube or drain trap is less common, but it can back up water and cause an AC condensate leak or air handler leaking water. Turn off electrical power at the disconnect box or circuit breaker before clearing a drain tube or trap, and use caution around 240-volt wiring. drain pan and drain line repairs are generally suitable for careful DIYers, but a licensed HVAC technician should handle any repair inside the sealed refrigerant system or any work involving refrigerant. Enter your Broan central air conditioner model number to find the exact replacement part for your specific unit.

01 - Evaporator Coil Not Tilted Toward Drain

To help the condensate water to flow towards the drain outlet in the pan, most installers will tilt the evaportor coil slightly towards the drain hole. If the evaporator coil is not level, or tilted incorrectly, water will not flow to the drain hole and may overflow the pan.
Common

02 - Broan Central Air Conditioner Drip Tray

The evaporator is normally tilted slightly towards the drain hole to help the water to drain properly into the drip tray. If water is leaking from the drip tray but the tray is not overflowing, the drip tray is likely cracked and will need to be replaced.
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Common

03 - Broan Central Air Conditioner Drain Pan

The evaporator is normally tilted slightly towards the drain hole to help the water to drain properly into the drain pan. If water is leaking from the drain pan but the pan is not overflowing, the drain pan is likely cracked and will need to be replaced.
Common

04 - Clogged Drain Tube or Drain Trap

When the air conditioner is running, condensation forms on the evaporator coil and drips into a drain pan. From there the water is directed through a pipe with a trap to a floor drain or condensate pump. If the drain tube or trap gets clogged, the water will back up and overflow the drain pan. If water is leaking from the evaporator pan, it is likely the drain tube or trap is clogged and will need to be cleared to allow the water to flow normally. Be sure to shut off the power to the unit before attempting to remove the clog.
Less Common

Frequently Asked Questions

Why is my Broan air conditioner leaking water at the furnace or air handler?
How do I fix an air conditioner condensate leak from a clogged drain line?
What should I check if the air conditioner drain pan is leaking but not overflowing?
How do I find the correct Broan air conditioner drain pan or drip tray?
Can I replace a leaking evaporator coil or drain pan myself?